diff --git a/example/ios/build.sh b/example/ios/build.sh
index 4c2fde1e..368efeae 100755
--- a/example/ios/build.sh
+++ b/example/ios/build.sh
@@ -1,4 +1,4 @@
-#/bin/sh
+#!/bin/sh
 td_path=$(grealpath ../..)
 
 rm -rf build